- Introduction
- Quick Start
- Table Design
- Data Loading
- Data Export
- Using StarRocks
- Reference
- SQL Reference
- User Account Management
- Cluster Management
- ADMIN CANCEL REPAIR
- ADMIN CHECK TABLET
- ADMIN REPAIR
- ADMIN SET CONFIG
- ADMIN SET REPLICA STATUS
- ADMIN SHOW CONFIG
- ADMIN SHOW REPLICA DISTRIBUTION
- ADMIN SHOW REPLICA STATUS
- ALTER SYSTEM
- CANCEL DECOMMISSION
- CREATE FILE
- DROP FILE
- ENTER
- INSTALL PLUGIN
- SHOW BACKENDS
- SHOW BROKER
- SHOW FRONTENDS
- SHOW FULL COLUMNS
- SHOW INDEX
- SHOW MIGRATIONS
- SHOW PLUGINS
- SHOW TABLE STATUS
- SHOW FILE
- UNINSTALL PLUGIN
- DDL
- ALTER DATABASE
- ALTER TABLE
- ALTER VIEW
- BACKUP
- CANCEL BACKUP
- CANCEL RESTORE
- CREATE DATABASE
- CREATE INDEX
- CREATE MATERIALIZED VIEW
- CREATE REPOSITORY
- CREATE RESOURCE
- CREATE TABLE AS SELECT
- CREATE TABLE LIKE
- CREATE TABLE
- CREATE VIEW
- CREATE FUNCTION
- DROP DATABASE
- DROP INDEX
- DROP MATERIALIZED VIEW
- DROP REPOSITORY
- DROP RESOURCE
- DROP TABLE
- DROP VIEW
- DROP FUNCTION
- HLL
- RECOVER
- RESTORE
- SHOW RESOURCES
- SHOW FUNCTION
- TRUNCATE TABLE
- DML
- ALTER ROUTINE LOAD
- BROKER LOAD
- CANCEL LOAD
- DELETE
- EXPORT
- GROUP BY
- INSERT
- PAUSE ROUTINE LOAD
- RESUME ROUTINE LOAD
- ROUTINE LOAD
- SELECT
- SHOW ALTER
- SHOW BACKUP
- SHOW DATA
- SHOW DATABASES
- SHOW DELETE
- SHOW DYNAMIC PARTITION TABLES
- SHOW EXPORT
- SHOW LOAD
- SHOW PARTITIONS
- SHOW PROPERTY
- SHOW REPOSITORIES
- SHOW RESTORE
- SHOW ROUTINE LOAD
- SHOW ROUTINE LOAD TASK
- SHOW SNAPSHOT
- SHOW TABLES
- SHOW TABLET
- SHOW TRANSACTION
- SPARK LOAD
- STOP ROUTINE LOAD
- STREAM LOAD
- Data Types
- Auxiliary Commands
- Function Reference
- Date Functions
- convert_tz
- curdate
- current_timestamp
- curtime
- datediff
- date_add
- date_format
- date_sub
- date_trunc
- day
- dayname
- dayofmonth
- dayofweek
- dayofyear
- from_days
- from_unixtime
- hour
- minute
- month
- monthname
- now
- second
- str_to_date
- timediff
- timestampadd
- timestampdiff
- to_date
- to_days
- unix_timestamp
- utc_timestamp
- weekofyear
- year
- Geographic Functions
- String Functions
- append_trailing_char_if_absent
- ascii
- char_length
- concat
- concat_ws
- ends_with
- find_in_set
- get_json_double
- get_json_int
- get_json_string
- group_concat
- instr
- lcase
- left
- length
- locate
- lower
- lpad
- ltrim
- money_format
- null_or_empty
- regexp_extract
- regexp_replace
- repeat
- reverse
- right
- rpad
- split
- split_part
- starts_with
- strleft
- strright
- JSON Functions
- Overview of JSON functions and operators
- JSON constructor functions
- JSON query and processing functions
- JSON operators
- Aggregate Functions
- Bitmap Functions
- Array Functions
- cast function
- hash function
- Cryptographic Functions
- Math Functions
- Date Functions
- System Variables
- Error Code
- System Limit
- SQL Reference
- Administration
- FAQ
- Deploy
- Data Migration
- SQL
- Other FAQs
- Benchmark
- Release Notes
from_unixtime
description
Syntax
DATETIME FROM_UNIXTIME(INT unix_timestamp[, VARCHAR string_format])
onvert the unix timestamp to the corresponding time format. The format returned should be specified by string_format.
The default format is yyyy-MM-dd HH:mm:ss. It also supports the formats in date_format.
It inputs integers and returns strings.
Currently, string_format supports the following formats:
%Y:Year e.g.:2014,1900
%m:Month e.g.:12,09
%d:Day e.g.:11,01
%H:Hour e.g.:23,01,12
%i:Minute e.g.:05,11
%s:Second e.g.:59,01
Other formats in string_format are invalid and be returned as NULL.
If the specified timstamp is less than 0 or more than 253402271999, it will be returned as NULL. The range for timestamp is: 1970-01-01 00:00:00 ~ 9999-12-31 23:59:59.
example
MySQL > select from_unixtime(1196440219);
+---------------------------+
| from_unixtime(1196440219) |
+---------------------------+
| 2007-12-01 00:30:19 |
+---------------------------+
MySQL > select from_unixtime(1196440219, 'yyyy-MM-dd HH:mm:ss');
+--------------------------------------------------+
| from_unixtime(1196440219, 'yyyy-MM-dd HH:mm:ss') |
+--------------------------------------------------+
| 2007-12-01 00:30:19 |
+--------------------------------------------------+
MySQL > select from_unixtime(1196440219, '%Y-%m-%d');
+-----------------------------------------+
| from_unixtime(1196440219, '%Y-%m-%d') |
+-----------------------------------------+
| 2007-12-01 |
+-----------------------------------------+
MySQL > select from_unixtime(1196440219, '%Y-%m-%d %H:%i:%s');
+--------------------------------------------------+
| from_unixtime(1196440219, '%Y-%m-%d %H:%i:%s') |
+--------------------------------------------------+
| 2007-12-01 00:30:19 |
+--------------------------------------------------+
keyword
FROM_UNIXTIME,FROM,UNIXTIME
In this article